I have a 1997 Johnson Oceanrunner
Compression as follows
looking at rear of block
left side
120
120
85
right side
120
120
90
Per mechanic possible rebuild of engine or sell as blown motor???
Motor runs fine...just never had compression test done before

Any other suggestions decarb etc. etc.
I am aware that there is no mechanic in a can but just trying to come up with ideas etc?
Thanks in advance
-Fred H